books.google.com.au - Descriptive grammars are our main vehicle for documenting and analysing the linguistic structure of the world's 6,000 languages. They bring together, in one place, a coherent treatment of how the whole language works, and therefore form the primary source of information on a given language, consulted...https://books.google.com.au/books/about/Catching_Language.html?id=xUVO8x8jDQ0C&utm_source=gb-gplus-shareCatching Language